ALBUM OF THE WEEK: Tinie Tempah — DemonstrationParlophone “A proper album” — that’s how music critics (of a certain vintage) describe an album that's more than just a collection of songs, an album that takes us on a journey. The implication is that merely writing and recording a dozen or so songs and putting them one after another isn’t enough. A house is not a home. A “proper” album needs cohesion. But does it? Shouldn’t it be possible to make a “proper” album that also meets the demands of an attention-poor download-and-shuffle culture? You’ll have gathered by now that that’s exactly what Tinie Tempah has just done. Demonstration jumps from style to style, not — as with so many records — in a desperate